Watch List notes:

Maximianus. First reign, AD 286-305. Antoninianus (23.5mm, 4.34 g, 6h). Sicia mint, 2nd officina. Struck AD 292. Radiate bust right / Diocletian and Maximian, holding reversed transverse spear, standing vis-à-vis, clasping right hands; behind, Victory standing facing, placing hands on each emperor; XXI · B ·. RIC V 588. Brown patina, hard green deposits. EF. Nearly full silvering.

From the Conti Collection. Ex Historical Coin Review XIX.2 (1994 Second Quarter), no. 279.